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6-9-20A - Optic Mold for Glassblowing

Product Description

6-9-20A - Optic Mold for Glassblowing. The 6-9-20A has 20 pointed ribs. It is 6" tall with a 4-1/4" opening at the top that tapers to a point at the bottom. This mold is open at the bottom. It is made of cast aluminum.